Revert of Cast:Adding cast_transport_config and cleaning up

media/cast/rtcp/rtcp_utility.h

Index: media/cast/rtcp/rtcp_utility.h
diff --git a/media/cast/rtcp/rtcp_utility.h b/media/cast/rtcp/rtcp_utility.h
index be7c88f0cb4bd94601a9fed0248d589617d151af..5cf55d91060a06f0e69a0da80f5b96b6dd3e7189 100644
--- a/media/cast/rtcp/rtcp_utility.h
+++ b/media/cast/rtcp/rtcp_utility.h
@@ -238,6 +238,20 @@
   uint8  IC;  // Item count / subtype.
   uint8  PT;  // Packet Type.
   uint16 length_in_octets;
+};
+
+enum RtcpPacketTypes {
+  kPacketTypeLow = 194,  // SMPTE time-code mapping.
+  kPacketTypeInterArrivalJitterReport = 195,
+  kPacketTypeSenderReport = 200,
+  kPacketTypeReceiverReport = 201,
+  kPacketTypeSdes = 202,
+  kPacketTypeBye = 203,
+  kPacketTypeApplicationDefined = 204,
+  kPacketTypeGenericRtpFeedback = 205,
+  kPacketTypePayloadSpecific = 206,
+  kPacketTypeXr = 207,
+  kPacketTypeHigh = 210,  // Port Mapping.
 };
 
 class RtcpParser {